结合工程实际概况及设计依据,在保证基坑安全的前提下,通过对几种方案进行造价、工期的比较,指出扩大头预应力锚索在周边无既有建筑的场地条件下有很好的作为。 Based on the actual situation and design basis of the project, under the premise of ensuring the safety of the foundation pit, by comparing the cost and duration of several schemes, it is pointed out that the enlarged head prestressed anchor cable has very good As